diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/xilinx/zynqmp_dma.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c index dc299ab36818..2fc675327ec9 100644 --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -796,6 +796,17 @@ static int zynqmp_dma_device_terminate_all(struct dma_chan *dchan) } /** + * zynqmp_dma_synchronize - Synchronizes the termination of a transfers to the current context. + * @dchan: DMA channel pointer + */ +static void zynqmp_dma_synchronize(struct dma_chan *dchan) +{ + struct zynqmp_dma_chan *chan = to_chan(dchan); + + tasklet_kill(&chan->tasklet); +} + +/** * zynqmp_dma_prep_memcpy - prepare descriptors for memcpy transaction * @dchan: DMA channel * @dma_dst: Destination buffer address @@ -1057,6 +1068,7 @@ static int zynqmp_dma_probe(struct platform_device *pdev) p = &zdev->common; p->device_prep_dma_memcpy = zynqmp_dma_prep_memcpy; p->device_terminate_all = zynqmp_dma_device_terminate_all; + p->device_synchronize = zynqmp_dma_synchronize; p->device_issue_pending = zynqmp_dma_issue_pending; p->device_alloc_chan_resources = zynqmp_dma_alloc_chan_resources; p->device_free_chan_resources = zynqmp_dma_free_chan_resources; |